<template>
  <a-layout>
    <a-layout-sider width="200" style="background: #ffffff">
      <a-menu
          mode="inline"
          :style="{ height: '100%', borderRight: 0 }"
          @click="handleClick"
      >

          <a-menu-item key="welcome">
              <MailOutlined/>
              <span>欢迎</span>
          </a-menu-item>

          <a-sub-menu v-for="item in level1" :key="item.id">
            <template v-slot:title>
              <span><user-outlined/>{{item.name}}</span>
            </template>
            <a-menu-item v-for="child in item.children" :key="child.id">
              <MailOutlined/>
              <span>{{child.name}}</span>
            </a-menu-item>

          </a-sub-menu>

      </a-menu>
    </a-layout-sider>
    <a-layout-content
        :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
    >

      <div class="welcome" v-show="isShowWelcome">
        <the-welcome></the-welcome>
      </div>

      <a-list v-show="!isShowWelcome" item-layout="vertical" size="large" :grid="{ gutter: 20, column: 3 }"  :data-source="ebooks">
        <template #renderItem="{ item }">
          <a-list-item key="item.name">
            <template #actions>
              <span>
                <component v-bind:is="'FileOutlined'" style="margin-right: 8px" />
                {{ item.docCount }}
              </span>
              <span>
                <component v-bind:is="'UserOutlined'" style="margin-right: 8px" />
                {{ item.viewCount }}
              </span>
              <span>
                <component v-bind:is="'LikeOutlined'" style="margin-right: 8px" />
                {{ item.voteCount }}
              </span>
            </template>
            <a-list-item-meta :description="item.description">
              <template #title>

                <router-link :to="'/doc?ebookId='+item.id">
                  {{ item.name }}
                </router-link>

              </template>
              <template #avatar><a-avatar :src="item.cover" /></template>
            </a-list-item-meta>
          </a-list-item>
        </template>
      </a-list>
    </a-layout-content>
  </a-layout>
</template>

<script lang="ts">
import { defineComponent ,onMounted,ref,reactive,toRef} from 'vue';
import Axios from "axios";
import {message} from "ant-design-vue";
import {Tool} from "../../util/tool";
import axios from "axios";
import TheWelcome from '@/components/the-welcome.vue';




// const listData: Record<string, string>[] = [];
//
// for (let i = 0; i < 23; i++) {
//   listData.push({
//     href: 'https://www.antdv.com/',
//     title: `ant design vue part ${i}`,
//     avatar: 'https://zos.alipayobjects.com/rmsportal/ODTLcjxAfvqbxHnVXCYX.png',
//     description:
//         'Ant Design, a design language for background applications, is refined by Ant UED Team.',
//     content:
//         'We supply a series of design principles, practical patterns and high quality design resources (Sketch and Axure), to help people create their product prototypes beautifully and efficiently.',
//   });
// }


export default defineComponent({
  name: 'Home',
  components: {
    TheWelcome,
  },
  setup(){
      console.log("setup");
    //两种赋值方法：ref/reactive
    const ebooks = ref();

    const level1 =ref(); //一级分类树，children属于二级分类树
    let categorys :any;

    const handleQueryCategory = () => {
      axios.get("/category/all").then((response) => {
        const data = response.data;

        if (data.success){
          categorys = data.content;
          console.log("原始数据：",categorys.value);

          level1.value=[];
          level1.value=Tool.array2Tree(categorys,0);
          console.log("树型结构：",level1.value);

        }else{
          message.error(data.message)
        }
      })
    };
    const isShowWelcome = ref(true);
    let categoryId2 = 0;

    const handleClick =(value:any) =>{
      console.log("menu click",value);
      if (value.key === 'welcome'){
        isShowWelcome.value = true;
      }else{
        categoryId2 = value.key;
        isShowWelcome.value = false;
        handleQueryEbook();
      }
      // isShowWelcome.value = value.key === 'welcome';
    }


    const pagination = {
      onChange: (page: number) => {
        console.log(page);
      },
      pageSize: 3,
    };
    const actions: Record<string, string>[] = [
      { type: 'StarOutlined', text: '156' },
      { type: 'LikeOutlined', text: '156' },
      { type: 'MessageOutlined', text: '2' },
    ];

    const handleQueryEbook = () => {
      Axios.get("/ebook/list",{
        params:{
          page:1,
          size:1000,
          categoryId2: categoryId2

        }
      }).then((response) => {

        const data = response.data;
        ebooks.value = data.content.list;
        // ebooks1.books = data.content;

      })
    }

    onMounted(() => {

      handleQueryCategory();
    })

    return{



      ebooks,
      pagination,
      actions,
      isShowWelcome,


      handleClick,
      level1,

    }
  }

});
</script>
<style scoped>
.ant-avatar {
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 8%;
    margin: 5px 0;
}
</style>
